Skip to content
Global Guide 2022

Ranked in 1 Practice Areas
Ranked in Guides

About

Provided by Hiroyuki Hagiwara

Global

Practice Areas

Hiroyuki Hagiwara is a partner based in Paul Hastings’ Tokyo office. Mr. Hagiwara offers more than 20 years of experience in cross-border litigations and transactions. Patent infringement litigations, licensing transactions and disputes, arbitrations and investigations are the main focus of his practice.

In patent disputes, Mr. Hagiwara has handled wide-ranging subject matters from electronics, software, chemical, pharmaceutical, biologics, semiconductor, telecommunication to automotive.

Mr. Hagiwara has represented clients in US DOJ investigations, international arbitrations and mediations, US Federal Court actions, ITC Section 337 investigations, US PTAB proceedings. He has represented US, European, Asian and Japanese clients in various legal matters.

EDUCATION

New York University School of Law, LLM, 1999; Heiwa Nakajima Scholar

Tokyo University of Science (Tokyo Rika Daigaku), B.S. in Electrical Engineering, 1998

Keio University, LLB, 1993; Dartmouth-Keio Exchange Scholar, 1990-1991

Chambers Review

Provided by Chambers

Global

Intellectual Property: International - Japan
2
Band 2

Hiroyuki Hagiwara is US-qualified and a registered foreign lawyer in Japan, often handling patent litigation. One impressed client describes him as an "extremely reliable lawyer," adding that "he has a wealth of experience in US patent litigation. He also understands Japanese companies really well."

Discover other Lawyers at
Paul Hastings Foreign Law Joint Enterprise

Provided by Chambers
Filter by
Band

China

Capital Markets: Equity (International Firms)

Raymond Li
4
Raymond Li
4
Band 4
Corporate Investigations/Anti-Corruption (International Firms)

Shaun Wu
4
Shaun Wu
4
Band 4
Corporate/M&A: China-based (International Firms)

David S Wang
2
David S Wang
2
Band 2
Jia Yan
2
Jia Yan
2
Band 2
Dispute Resolution (International Firms)

Shaun Wu
U
Shaun Wu
U
Up and Coming

France

Banking & Finance

4
Olivier Vermeulen
4
Band 4
Litigation

Laurent Martinet
4
Laurent Martinet
4
Band 4

Germany

Capital Markets: Equity

Katja Kaulamo
3
Katja Kaulamo
3
Band 3
Corporate/M&A: Mid-Market

5
Regina Engelstädter
5
Band 5

Global Market Leaders

Business & Human Rights Law

1
Jonathan Drimmer
1
Band 1

Japan

Intellectual Property: International

Hiroyuki Hagiwara
2
Hiroyuki Hagiwara
2
Band 2

Latin America - International Counsel

Banking & Finance

1
Michael L Fitzgerald
1
Band 1
5
Joy K Gallup
5
Band 5
Capital Markets

1
Michael L Fitzgerald
1
Band 1
3
Cathleen McLaughlin
3
Band 3
4
Arturo Carrillo
4
Band 4
5
Joy K Gallup
5
Band 5
Project Finance

Gregory Tan
1
Gregory Tan
1
Band 1
Alexandro M Padrés
3
Alexandro M Padrés
3
Band 3
4
Elicia Ling
4
Band 4
20 of 79 results